Home / 312,289,631.40-467,867,576.70-254,468,850.60

Finding the Fourth Proportional to 312,289,631.40, 467,867,576.70 and 254,468,850.60

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Solution

The fourth proportional to 312,289,631.40, 467,867,576.70 and 254,468,850.60 is: 381,241,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,289,631.40 : 467,867,576.70 = 254,468,850.60 : x
  2. Step 2: Convert to fraction form
    312,289,631.40/467,867,576.70 = 254,468,850.60/x
  3. Step 3: Cross multiply
    312,289,631.40x = 467,867,576.70 × 254,468,850.60
  4. Step 4: Simplify right side
    312,289,631.40x = 119,057,724,475,856,336
  5. Step 5: Solve for x
    x = 119,057,724,475,856,336/312,289,631.40
  6. Step 6: Final answer
    x = 381,241,362.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.